6397273 has 2 divisors, whose sum is σ = 6397274. Its totient is φ = 6397272.

The previous prime is 6397229. The next prime is 6397283. The reversal of 6397273 is 3727936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5890329 + 506944 = 2427^2 + 712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6397273 is a prime.

It is a d-powerful number, because it can be written as 6² + 3¹³ + 9³ + 7⁴ + 2³ + 7⁵ + 3¹⁴ .

It is not a weakly prime, because it can be changed into another prime (6397213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198636 + 3198637.

It is an arithmetic number, because the mean of its divisors is an integer number (3198637).

Almost surely, 2^6397273 is an apocalyptic number.

It is an amenable number.

6397273 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397273 is an equidigital number, since it uses as much as digits as its factorization.

6397273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 37.

The square root of 6397273 is about 2529.2831000108. The cubic root of 6397273 is about 185.6371795717.

It can be divided in two parts, 6397 and 273, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6397273 in words is "six million, three hundred ninety-seven thousand, two hundred seventy-three".